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Internal Frame Backpacks

(303 products)

Products (303)

Sort: Best Match

REI Co-opTrail 25 Pack
$99.95
153 reviews with an average rating of 4.4 out of 5 stars
Gear Capacity:
25 liters
Weight:
1.81 to 1.87 lbs
Features:
Reservoir Compatible
Raincover Included
REI Co-opTrailmade 60 Pack - Women's
$124.93
Save 30%
compared to $179.00
4 reviews with an average rating of 4.8 out of 5 stars
Trip Length/Capacity:
Multiday
Gear Capacity:
60 liters
Weight:
3.25 to 3.62 lbs
Features:
Reservoir Compatible
GregoryParagon 68 Pack
$187.73
Save 35%
compared to $289.95
0 reviews
Trip Length/Capacity:
Multiday
Gear Capacity:
68 liters
Weight:
3.57 to 3.62 lbs
Features:
Reservoir Compatible
Raincover Included
REI OUTLET
REI Co-opTrailmade 60 Pack - Men's
$124.93
Save 30%
compared to $179.00
9 reviews with an average rating of 4.1 out of 5 stars
Trip Length/Capacity:
Multiday
Gear Capacity:
60 liters
Weight:
3.38 to 3.69 lbs
Features:
Reservoir Compatible
Top Rated
OspreySirrus 34 Pack - Women's
$149.73
Save 25%
compared to $200.00
24 reviews with an average rating of 4.5 out of 5 stars
Gear Capacity:
34 liters
Weight:
3.04 lbs
Features:
Reservoir Compatible
Raincover Included
REI OUTLET
GregoryParagon 48 Pack - Men's
$179.73
Save 21% - 25%
compared to $229.95 - $239.95
3 reviews with an average rating of 5.0 out of 5 stars
Trip Length/Capacity:
Weekend
Gear Capacity:
48 liters
Weight:
3.5 lbs
Features:
Reservoir Compatible
Raincover Included
REI OUTLET
Top Rated
OspreyStratos 34 Pack - Men's
$149.73
Save 25%
compared to $200.00
74 reviews with an average rating of 4.8 out of 5 stars
Gear Capacity:
34 liters
Weight:
3.15 lbs
Features:
Reservoir Compatible
Raincover Included
REI OUTLET
Top Rated
OspreyStratos 34 Pack - Men's
$149.93
Save 25%
compared to $200.00
86 reviews with an average rating of 4.8 out of 5 stars
Gear Capacity:
34 liters
Weight:
3.15 lbs
Features:
Reservoir Compatible
Raincover Included
Top Rated
OspreyStratos 44 Pack - Men's
$171.73
Save 25%
compared to $230.00
8 reviews with an average rating of 5.0 out of 5 stars
Gear Capacity:
44 liters
Weight:
3.64 lbs
Features:
Reservoir Compatible
Raincover Included
REI OUTLET
REI Co-opTrail 40 Pack - Men's
$159.00
48 reviews with an average rating of 4.5 out of 5 stars
Gear Capacity:
40 to 41 liters
Weight:
2.75 to 3 lbs
Features:
Reservoir Compatible
Raincover Included
Top Rated
REI Co-opTrail 40 Pack - Women's
$159.00
26 reviews with an average rating of 4.5 out of 5 stars
Gear Capacity:
40 to 41 liters
Weight:
2.56 to 2.87 lbs
Features:
Reservoir Compatible
Raincover Included
Top Rated
GregoryJuno 24 Pack - Women's
$111.73
Save 25%
compared to $149.95
39 reviews with an average rating of 4.6 out of 5 stars
Gear Capacity:
24 liters
Weight:
1.93 lbs
Features:
Reservoir Compatible
REI OUTLET
OspreySirrus 24 Pack - Women's
$134.93
Save 25%
compared to $180.00
78 reviews with an average rating of 4.3 out of 5 stars
Gear Capacity:
24 liters
Weight:
2.73 lbs
Features:
Reservoir Compatible
Raincover Included
Top Rated
GregoryMaven 45 Pack - Closeout - Women's
$179.73
Save 21% - 25%
compared to $229.95 - $239.95
5 reviews with an average rating of 4.8 out of 5 stars
Trip Length/Capacity:
Weekend
Gear Capacity:
42 to 45 liters
Weight:
3.25 to 3.31 lbs
Features:
Reservoir Compatible
Raincover Included
REI OUTLET
GregoryMaven 65 Pack - Closeout - Women's
$188.73
Save 32%
compared to $279.95
1 reviews with an average rating of 4.0 out of 5 stars
Trip Length/Capacity:
Multiday
Gear Capacity:
62 to 65 liters
Weight:
3.44 to 3.5 lbs
Features:
Reservoir Compatible
Raincover Included
REI OUTLET
Top Rated
OspreyStratos 24 Pack - Men's
$134.93
Save 25%
compared to $180.00
103 reviews with an average rating of 4.6 out of 5 stars
Gear Capacity:
24 liters
Weight:
2.78 lbs
Features:
Reservoir Compatible
Raincover Included
New arrival
OspreyKestrel 38 Pack - Men's
$156.73
Save 25%
compared to $210.00
0 reviews
Gear Capacity:
36 to 38 liters
Weight:
4.07 to 4.24 lbs
Features:
Reservoir Compatible
Raincover Included
REI OUTLET
GregoryParagon 58 Pack - Closeout - Men's
$202.73
Save 22% - 24%
compared to $259.95 - $269.95
2 reviews with an average rating of 4.0 out of 5 stars
Trip Length/Capacity:
Multiday
Gear Capacity:
55 to 58 liters
Weight:
3.5 to 3.56 lbs
Features:
Reservoir Compatible
Raincover Included
REI OUTLET
Sale Ends Feb 9
OspreyTempest 20 Pack - Women's
$79.73
Save 50%
compared to $160.00
159 reviews with an average rating of 4.1 out of 5 stars
Gear Capacity:
18 to 20 liters
Weight:
2.04 to 2.21 lbs
Features:
Reservoir Compatible
REI OUTLET
OspreyStratos 24 Pack - Men's
$134.73
Save 25%
compared to $180.00
4 reviews with an average rating of 5.0 out of 5 stars
Gear Capacity:
24 liters
Weight:
2.76 lbs
Features:
Reservoir Compatible
Raincover Included
REI OUTLET
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OspreySirrus 24 Pack - Women's
$134.73
Save 25%
compared to $180.00
1 reviews with an average rating of 5.0 out of 5 stars
Gear Capacity:
24 liters
Weight:
2.56 lbs
Features:
Reservoir Compatible
Raincover Included
REI OUTLET
GregoryJuno 30 Pack - Women's
$119.73
Save 25%
compared to $159.95
3 reviews with an average rating of 3.7 out of 5 stars
Gear Capacity:
30 liters
Weight:
2.06 lbs
Features:
Reservoir Compatible
REI OUTLET
Top Rated
GregoryArrio 18 Pack
$57.73
Save 35%
compared to $89.95
12 reviews with an average rating of 4.6 out of 5 stars
Gear Capacity:
18 liters
Weight:
1.39 lbs
Features:
Reservoir Compatible
REI OUTLET
Top Rated
REI Co-opTraverse 35 Pack - Men's
$179.00
12 reviews with an average rating of 4.7 out of 5 stars
Gear Capacity:
35 liters
Weight:
3.25 to 3.5 lbs
Features:
Reservoir Compatible
Raincover Included
OspreyAtmos AG 65 Pack - Men's
$370.00
131 reviews with an average rating of 4.4 out of 5 stars
Trip Length/Capacity:
Multiday
Gear Capacity:
65 to 68 liters
Weight:
4.61 to 4.81 lbs
Features:
Reservoir Compatible
Raincover Included
Sale Ends Feb 9
Helly HansenCapacitor Pack RECCO
$99.73
Save 66%
compared to $300.00
0 reviews
Trip Length/Capacity:
Multiday
Gear Capacity:
65 liters
Weight:
4.16 lbs
Features:
Reservoir Compatible
REI OUTLET
REI Co-opFlash 55 Pack - Men's
$229.00
87 reviews with an average rating of 4.2 out of 5 stars
Trip Length/Capacity:
Multiday
Gear Capacity:
53 to 57 liters
Weight:
2.75 to 2.87 lbs
Features:
Ultralight
Reservoir Compatible
REI Co-opFlash 55 Pack - Women's
$229.00
79 reviews with an average rating of 4.3 out of 5 stars
Trip Length/Capacity:
Multiday
Gear Capacity:
53 to 57 liters
Weight:
2.62 to 2.75 lbs
Features:
Ultralight
Reservoir Compatible
Top Rated
GregoryCitro 30 Pack - Men's
$126.73
Save 25%
compared to $169.95
34 reviews with an average rating of 4.6 out of 5 stars
Gear Capacity:
30 liters
Weight:
2.09 lbs
Features:
Reservoir Compatible
REI OUTLET
ALPS MountaineeringBaja 40 Pack
$119.73
Save 25%
compared to $159.99
0 reviews
Gear Capacity:
40 liters
Weight:
2.38 lbs
Features:
Reservoir Compatible
Raincover Included
REI OUTLET

1–30 of 303 products

Sort: Best Match

Related Expert Advice articles

Types of packs

Backpacking packs can be 30 to 70-plus liters. To choose the right capacity, consider trip duration and the gear you’ll bring.

Backpack features
Think about the frame type, location of important pockets, padding and ventilation, among other things.

Backpack fit
Your pack should be correctly sized for your torso length (not overall height) and hip circumference. A fit-expert at an REI store can help.

Read full article: How to Choose a Backpack

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